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38 Cards in this Set
- Front
- Back
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A hermit crab's natural habitat
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by the seashore
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How a hermit crab takes in oxygen
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through their gills
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Hermit Crab's class name and number
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5 Crustacean
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Hermit Crab's pylum name and number
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9 Arthropod
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What happens when a hermit crab molts?
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It replaces its exoskeleton.
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Where are hermit crabs found in water?
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Crawling along the bottom.
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Hermit crabs are omnivores. This means they eat...
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plants and animals like humans.
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Animals that eat only plants are called...
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Herbivores
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Animals that eat only meat (other animals) are called...
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Carnivores
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Hermit crabs use these to catch their food (prey).
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Claws
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What does a female crab have that a male does not?
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swimmeretts
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A mother crab cares for her young for how long?
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A few days
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What happens after a mother crab cares for her young?
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They are left on their own.
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Why do hermit crabs live in the empty shells of mollusks?
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for protection.
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Where do crabs get their shells?
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from mollusks
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Another name for swimmerets
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pleopods or egg carriers
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Another name for claw
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pincer
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daily care
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spray crabs lightly with lukewarm water every
day |
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left pincer
(larger one) |
main defense
against attack |
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moist environment
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prevents dehydration
(drying out) |
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regeneration
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when a hermit crab grows a new body part to replace one that it has lost
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reactions to stimuli
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observing the crab's nervous system
Examples of stimuli: light, vinegar, ammonia, touch, and color |
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metamorphosis
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changes that a hermit crab goes through after hatching
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stages of development
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becomes more recognizable, and eventually reaches land and becomes an air-breathing animal
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reproduction
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the role of the male is to fertilize the egg of the female
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Hermit crabs abandon their shell
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when it has begun to outgrow the first shell
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calcium
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helps harden a crab’s new exoskeleton
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#1
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Abdomen #
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#2
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Walking Legs #
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#3
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small claw #
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#4
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large claw #
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#5
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swimmerets #
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#6
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teslon or tail #
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#7
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modified walking legs #
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#8
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eyestalk #
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#9
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antenna #
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#10
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antennula #
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#11
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Carapace #
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